« previous next »

Author Question: Calico cats are female because A) the males die during embryonic development. B) (Read 586 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Jun 21, 2013
Calico cats are female because
A) the males die during embryonic development.
B) a male inherits only one of the two X-linked genes controlling hair color.
C) the Y chromosome has a gene blocking orange coloration.
D) only females can have Barr bodies.
E) multiple crossovers on the Y chromosome prevent orange pigment production.


camila

  • Hero Member
  • *****
  • Posts: 705
Reply #1 on: Jun 22, 2013
100% it's B, don't forget to gimmi a thumbs up :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Reply #2 on: Aug 13, 2013
Thanks so much, you were right on.


« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Male and female plants Male and female plants
The ovaries. In addition to producing ova, the ovaries secrete the female sex hormones, estrogen and The ovaries. In addition to producing ova, the ovaries secrete the female sex hormones, estrogen and
Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta
In the Tai Forest a female chimp demonstrates a skill once thought to be unique to humans. Here she In the Tai Forest a female chimp demonstrates a skill once thought to be unique to humans. Here she
Although the highest rates of disordered eating patterns occur among females, males are not immune Although the highest rates of disordered eating patterns occur among females, males are not immune
Development of the Endocrine System Development of the Endocrine System
Video: Regulation of GFR: autoregulation via myogenic mechanism Myogenic mechanism

For a complete list of videos, visit our video library